assets.spec.ts

import { createHash } from 'crypto'
import {
  findAssetFile,
  getBg,
  getColor,
  isBuild,
  listAssets,
  readManifest,
  readFile,
  editFile,
  notifyRebuildComplete
} from '../../testUtils'

const assetMatch = isBuild
  ? /\/foo\/assets\/asset\.\w{8}\.png/
  : '/foo/nested/asset.png'

const iconMatch = `/foo/icon.png`

test('should have no 404s', () => {
  browserLogs.forEach((msg) => {
    expect(msg).not.toMatch('404')
  })
})

describe('injected scripts', () => {
  test('@vite/client', async () => {
    const hasClient = await page.$(
      'script[type="module"][src="/foo/@vite/client"]'
    )
    if (isBuild) {
      expect(hasClient).toBeFalsy()
    } else {
      expect(hasClient).toBeTruthy()
    }
  })

  test('html-proxy', async () => {
    const hasHtmlProxy = await page.$(
      'script[type="module"][src="/foo/index.html?html-proxy&index=0.js"]'
    )
    if (isBuild) {
      expect(hasHtmlProxy).toBeFalsy()
    } else {
      expect(hasHtmlProxy).toBeTruthy()
    }
  })
})

describe('raw references from /public', () => {
  test('load raw js from /public', async () => {
    expect(await page.textContent('.raw-js')).toMatch('[success]')
  })

  test('load raw css from /public', async () => {
    expect(await getColor('.raw-css')).toBe('red')
  })
})

describe('asset imports from js', () => {
  test('relative', async () => {
    expect(await page.textContent('.asset-import-relative')).toMatch(assetMatch)
  })

  test('absolute', async () => {
    expect(await page.textContent('.asset-import-absolute')).toMatch(assetMatch)
  })

  test('from /public', async () => {
    expect(await page.textContent('.public-import')).toMatch(iconMatch)
  })
})

describe('css url() references', () => {
  test('fonts', async () => {
    expect(
      await page.evaluate(() => {
        return (document as any).fonts.check('700 32px Inter')
      })
    ).toBe(true)
  })

  test('relative', async () => {
    expect(await getBg('.css-url-relative')).toMatch(assetMatch)
  })

  test('image-set relative', async () => {
    const imageSet = await getBg('.css-image-set-relative')
    imageSet.split(', ').forEach((s) => {
      expect(s).toMatch(assetMatch)
    })
  })

  test('image-set without the url() call', async () => {
    const imageSet = await getBg('.css-image-set-without-url-call')
    imageSet.split(', ').forEach((s) => {
      expect(s).toMatch(assetMatch)
    })
  })

  test('relative in @import', async () => {
    expect(await getBg('.css-url-relative-at-imported')).toMatch(assetMatch)
  })

  test('absolute', async () => {
    expect(await getBg('.css-url-absolute')).toMatch(assetMatch)
  })

  test('from /public', async () => {
    expect(await getBg('.css-url-public')).toMatch(iconMatch)
  })

  test('base64 inline', async () => {
    const match = isBuild ? `data:image/png;base64` : `/foo/nested/icon.png`
    expect(await getBg('.css-url-base64-inline')).toMatch(match)
    expect(await getBg('.css-url-quotes-base64-inline')).toMatch(match)
  })

  test('multiple urls on the same line', async () => {
    const bg = await getBg('.css-url-same-line')
    expect(bg).toMatch(assetMatch)
    expect(bg).toMatch(iconMatch)
  })

  test('aliased', async () => {
    const bg = await getBg('.css-url-aliased')
    expect(bg).toMatch(assetMatch)
  })

  if (isBuild) {
    test('preserve postfix query/hash', () => {
      expect(findAssetFile(/\.css$/, 'foo')).toMatch(`woff2?#iefix`)
    })
  }
})

describe('image', () => {
  test('srcset', async () => {
    const img = await page.$('.img-src-set')
    const srcset = await img.getAttribute('srcset')
    srcset.split(', ').forEach((s) => {
      expect(s).toMatch(
        isBuild
          ? /\/foo\/assets\/asset\.\w{8}\.png \d{1}x/
          : /\.\/nested\/asset\.png \d{1}x/
      )
    })
  })
})

describe('svg fragments', () => {
  // 404 is checked already, so here we just ensure the urls end with #fragment
  test('img url', async () => {
    const img = await page.$('.svg-frag-img')
    expect(await img.getAttribute('src')).toMatch(/svg#icon-clock-view$/)
  })

  test('via css url()', async () => {
    const bg = await page.evaluate(() => {
      return getComputedStyle(document.querySelector('.icon')).backgroundImage
    })
    expect(bg).toMatch(/svg#icon-clock-view"\)$/)
  })

  test('from js import', async () => {
    const img = await page.$('.svg-frag-import')
    expect(await img.getAttribute('src')).toMatch(/svg#icon-heart-view$/)
  })
})

test('?raw import', async () => {
  expect(await page.textContent('.raw')).toMatch('SVG')
})

test('?url import', async () => {
  const src = readFile('foo.js')
  expect(await page.textContent('.url')).toMatch(
    isBuild
      ? `data:application/javascript;base64,${Buffer.from(src).toString(
          'base64'
        )}`
      : `/foo/foo.js`
  )
})

test('new URL(..., import.meta.url)', async () => {
  expect(await page.textContent('.import-meta-url')).toMatch(assetMatch)
})

test('new URL(`${dynamic}`, import.meta.url)', async () => {
  expect(await page.textContent('.dynamic-import-meta-url-1')).toMatch(
    isBuild ? 'data:image/png;base64' : '/foo/nested/icon.png'
  )
  expect(await page.textContent('.dynamic-import-meta-url-2')).toMatch(
    assetMatch
  )
})

if (isBuild) {
  test('manifest', async () => {
    const manifest = readManifest('foo')
    const entry = manifest['index.html']

    for (const file of listAssets('foo')) {
      if (file.endsWith('.css')) {
        expect(entry.css).toContain(`assets/${file}`)
      } else if (!file.endsWith('.js')) {
        expect(entry.assets).toContain(`assets/${file}`)
      }
    }
  })
}
describe('css and assets in css in build watch', () => {
  if (isBuild) {
    test('css will not be lost and css does not contain undefined', async () => {
      editFile('index.html', (code) => code.replace('Assets', 'assets'), true)
      await notifyRebuildComplete(watcher)
      const cssFile = findAssetFile(/index\.\w+\.css$/, 'foo')
      expect(cssFile).not.toBe('')
      expect(cssFile).not.toMatch(/undefined/)
      watcher?.close()
    })
  }
})